Recorded Webinar

MD&A’s Advantages of Balancing a Rotor Webinar

Posted to MD&A in the Generation Professionals Group
image credit: MD&A
Jay Eldridge's picture
Vice President Sales & Marketing, MD&A

Bachelor of Science (BS) in Mechanical Engineering with a Mathematics Minor from Union College.  28 years’ experience working in the power generation industry.  Almost 17 of those years were...

  • Member since 2013
  • 49 items added with 74,196 views
  • May 25, 2023

Proper balancing of steam & gas turbine rotors and generator rotors is extremely vital to ensure proper operation that allows the power generation industry to avoid millions of dollars in losses due to lost generation. Traditionally the maintenance of turbine rotors has been done at low speeds, but this can fail to ensure effective operation once returned to high-speed operation. Low-speed balancing may fail to catch balance issues arising from repairs or replacement parts. For generator rotors some turn-to-turn shorts are only detectable at or near rated speed. Once returned to high-speed operation, these faults not previously caught in low-speed testing could cause vibrations leading to a damaging production shutdown. This webinar goes through the advantages of balancing, and options, along with balance standards and vibration measurement. A case study of a high-speed balancing job scope will be reviewed.

Key Takeaways:

1. Why Do We Balance? And what is the goal of balancing?         

2. When to Choose a Low-Speed Balance versus When to Choose a High-Speed Balance and advantages.     

3. Understand vibration measurement & balance shots.

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Mechanical Dynamics & Analysis (MD&A) provides power generators around the globe with a full-service, OEM-alternative for services, parts, and repairs for Gas Turbines, Steam Turbines and Generators.

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